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Address : Department of Applied Mechanics, Physics and Higher Mathematics, Nizhny Novgorod State Agrotechnical University, 97 Gagarin Avenue, Nizhny Novgorod, 603950, Russia; Department of Engineering and Technology of Railway Transport Nizhny Novgorod branch of Samara State Transport University, 3 Komsomol Square, Nizhny Novgorod, 603950, Russia |
